Reenforcing stucco and plaster backing



Feb. 24, 1931. J. H. PLUNKETT REENFORGING STUCCO AND PLASTER BACKING Qriginal Filed March 9. 1927 Patented Feb. 24, 1931 VUNT traitee JOHN H. PLUNKETT, or Los ANGELES, onim;soiaiiiiiY REENFORCING sTUoco ANDQELASTERBACKING ,l I

Appiieationviuefi -March 9, 1927, serial This invention relates tobuilding materials and more particularlytobacking sheets plasterV coatvstudding and a layer of poultry wire lor other f p reticulated material applied over the fabric.

Y But eachof these materials has been'applied separately and therefore their application has required two periods of time, thus unnecessarily increasing the labor cost of construcp y tail taken on the line-42;?. of Fig. l to Ashow tion. Y

An important object of this invention'is to produce a wall backing construction'that will eifectually provide lfor all expansion 'and contraction of the same after the application ofplaster thereto. Y

Another object of the present invention is to reduce by approximately fifty per cent the time required for applying the backing materials which compose the lath substitute. Another object is to cut down waste of materials at the time of their application. Another object is to provide a backing which may not only be applied in less time' than heretofore, but one which also shall have deadening properties and may serve as a deadening felt Veither under plaster or stucco, or elsewhere in walls or evenin floors. Briefly stated, these objects are attained by means of a multiple-ply structure comprising a base sheet and an outer sheet cemented thereto by means of'spaced strips of adhesive material, preferably -asphaltic,

.40 which extend longitudinally between the sheets and in which is embedded a layer of poultry wire or other meshed or reticulated preferably metallic material which is Y capable of imparting great strength to the backing unit. The base sheet is of amaterial capable of being positioned against studding, and the outer sheet is of material well adapted for receiving plaster or stucco and for this purpose Vpreferably is thin enough to yield somewhat and to be pressed about ,iny disclosed.

'backing is appliedto studding and also show! ing ,a plaster coatthereupon; and

No. 173,804. Viti-,nevel 'Juiy 15, 1930.

the wire or otherjmesh employed between the sheets. rlhe invention resides not `only in `thefeatures above loutlined but lalso', in

any'oth'er novel features which may be hereln the-accompanying drawings wherein certain embodiments of the invention are shown by way of'illustration. only :Q ,n

Fig. l is a face view of a fragment ofthe backing material showingfal portion ofrthe outer thin sheetremoved to disclose the base sheet and the strips of asphaltic material applied thereto kas lwell asthe layer of poultry wire embedded in the asphalt. y y' Fig, 2 is a greatlyenlarged sectional de-V the lrelation of. thesuperimposed sheets, adn hesive strips andwire layer. l Big. 3 is a similar 'view showing how theV Fig. 4'is a secton'"ndicating-theV use of the laminated structui'fev when lapplied between top and sub-ooring for deadening purpose", This laminated backing comprises a base sheet l0, spaced sti'ips'of adhesivesmaterial l2 extending longitudinally thereof, an outer' or facing sheetll applied thereoverv andl cemented to the base sheet by the strips l2, and a reticulated reenforcing layer 'l5 ein- `bedded vin the adhesive vmaterial and held thereby inposition between the sheets lOand Y 14e. The structure so formed is primarily design-ed as a backing` for plaster'and stucco coatings, and whenso used may be secured to stu'dding by means of staples '-S'- or the' like as'indicated in FigsfQ and 3, thestucco or plaster coat -P- being then spread thereover in` any usual manner 'as indicated.

Many materials may be used both for the base sheetlO and theouter or face sheet 14, and include light yandheavy` fabrics both coated and uncoated, saturated and unsaturated felts, asbestos sheets and the like, whilel cardboard, chipboard and the like may `also be included `Yin the list for the base-sheet l0. However, a relatively heavier material is preferably7 used forsaid base sheet .suchas a n heavier" saturated and ireproofed building i felt or paper, while a relatively yielding thin asbestos paper is preferably or at least conveniently employed for the outer sheet 14. In this manner the materials may be made lire-resisting or inrany event tire-retarding. The adhesive, as,A above indicated, preferably is an aspliaitic material whichV may be applied in thick strips 12 and which y will set when cold and serve to receive and hold the mesh layer l5. By spacing said adhesive strips l2 and extending' thenrsubstantially the length` of the backing,v astructure is provided which cares for expansion and contraction, the uncoated spaces or strips be 'tween said adhesive strips l2 acting as expan? sion and Ycontraction joints. l, vFor the reticulated material many metallic structures. may

flexible sheets, spaced strips of cementing material securing said sheets together, and a reticulated reenforcing metal layer lying Abetween said sheets and embedded in said cementing material, one of said sheets being relatively thin and particularly` adapted iol'V the adherence of plaster and stucco coatings.

In witness that I claim thel foregoing I have hereunto subscribed my name this '26th day ofFebruary, 192'?. Y I "JwI-I. PLUNKETT.

be employed, such as the so-'calledpoultryf' l and Vrabbit wire yor netting, metal lath, eX- panded metal and theV like that illustrated beingthe poultryor rabbit wire mesh.` The thicknesscharacter and strength oi" the ma terials obviously will be varied according to requirements. Y A i 1 1 For applying stucco or plaster, theouter sheet 1A shouldV Abe thin enough and "suiiif, ciently yielding vthat the application lof `the coating will press saidslieet about the meshes of the metal layer l5, the stucco orplaster in some instances possibly even penetrating the sheet, whereby a firm bond or key-is asl sured. Atv the same time, the material ,of i the sheet liimustbe of suchV characterlthat the coating will adhere Ytenacious'ly thereto tIOIl. I I V Y The structure has considerable deadening properties,`in addition to its functionsv as a stucco and plaster backing. For this purT pose, it may be used also in other connections in walls, floors and theA like. In Fig. I such a use is indicated where the said laminated structure is applied between a top floor -F- and a sub-floor IW-solely for the deadening eii'ects obtained.

What I claim is:

l. A building material comprising a pair of she-ets, strips of cementing material extending in spaced relation between said sheets, and a reticulated reenforcing layer embedded in said cementing material. Y

- 2. A building fabric comprising a pair of flexible sheets, spaced strips .of cementing material securing said sheets together, and a reticulated reenforcing metal layer lying betweenV said sheetsV and embedded iin said cementing material.

and be retained by such adhesion and` by sucv not,

3. A building material comprising a pair` of sheets, strips of cementing material eX- tending in spaced relation between said sheets, and a. reticulated reenforcinglayer embedded in said cementing material, one of said sheets being relatively thin and yielding for the application of plaster and stucco.

4. A building fabric comprising a pair of 

